There are also a number of physical health related benefits too
Arch Toxicol 97(10):24992574 Lahimer M, Gherissi O, Ben Salem N, Ben Mustapha H, Bach V, Khorsi-Cauet H et al (2023) Effect of micronutrients and L-carnitine as antioxidant on sperm parameters, genome integrity, and ICSI outcomes: randomized, double-blind, and placebo-controlled clinical trial
B12 deficiency can only be diagnosed by your GP, as as well as assessing your clinical signs and symptoms they will also take a blood test to monitor the levels of B12 in your blood
Leafy green vegetables, beans, and peas also have B vitamins
The theory is that gradual dose reduction gives the body time to recalibrate appetite and metabolic signaling, rather than experiencing a sudden return to pre-treatment hunger levels
Adverse effects are rare but if severe diarrhea, vomiting, or constipation occur, consult a doctor promptly